Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Philadelphia to Lisbon
The cheapest flights right now
Philadelphia – Lisbon
Outbound – Dec 7, 2026
direct
6h 50m Return – Dec 15, 2026
direct
7h 55m $747
2 days ago
Philadelphia – Lisbon
Outbound – Dec 7, 2026
direct
6h 50m Return – Dec 15, 2026
direct
7h 55m $738
2 days ago
Philadelphia – Lisbon
Outbound – Dec 1, 2026
direct
6h 50m Return – Dec 9, 2026
direct
7h 55m $859
2 days ago
Philadelphia – Lisbon
Outbound – Dec 1, 2026
direct
6h 50m Return – Dec 9, 2026
direct
7h 55m $867
2 days ago
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$711
Average price of a round trip
$1152
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
21h45
A flight from Philadelphia to Lisbon takes on average 21h45.
Best time
August
According to user searches, the ideal month to go to Lisbon is August.
Tips for finding a cheap flight from Philadelphia to Lisbon
Check out our tips for booking your flight to Lisbon (Portugal) from Philadelphia (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is February, with an average flight ticket price of $697 (calculation over the last two years). The most touristic season corresponds to the months of September, December and February.
For the cheapest flights, it is advisable to buy your ticket at least 46 days before the departure date.
The airline offering the cheapest flight tickets is Frontier Airlines. A ticket from the airline Frontier Airlines to Lisbon costs on average $811.
The airlines that offer the most flights are .
Price of flight tickets from Philadelphia to Lisbon
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from $711 to $1535
- The average price of a flight ticket is about $1152
- Prices are lowest for stays in the month of February
- The month in which booking a ticket is cheaper is: September
info departure city :
Philadelphia, USA
airports :
Philadelphia International Airport (PHL)
Northeast Philadelphia Airport (PNE)
local time :
Philadelphia is a city in the country USA, the time zone is [[timezone]]. In Philadelphia, it is currently {fromLocalTime}, the temperature is on average 13°C, with a minimum of 8°C and a maximum of 18°C.
The city of Philadelphia (PHL) has 2 airport(s): Philadelphia International and Northeast Philadelphia
destination info :
Lisbon, Portugal
airport :
Lisbon-Humberto Delgado Airport (LIS)
local time :
Lisbon is in the country Portugal, the time zone is [[timezone]]. In Lisbon, it is currently {toLocalTime}, the temperature is on average 16°C, with a minimum of 15°C and a maximum of 19°C.
The city of Lisbon has 1 airport(s): Lisbon-Humberto Delgado
Useful info about Lisbon
What is the least touristic period to go to Lisbon?
If you want to visit Lisbon during the least touristic period, choose the month of August.
What is the most popular time to travel to Lisbon?
In Lisbon, the most popular month is September. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Philadelphia to Lisbon?
According to our data, it is recommended to book your flight 46 days before your departure. If you book your flight ticket 7 weeks before your departure, you may find a price below average. You can also choose morning flights that are 100% cheaper than afternoon and evening flights. The cheapest day to book a flight from Philadelphia to Lisbon is Monday.
What are the arrival and destination airports when traveling between Philadelphia and Lisbon?
When you leave, you can leave from Philadelphia International, and you will arrive at Lisbon-Humberto Delgado.
How to reach Philadelphia airport from the city centre?
The airport Philadelphia International is located 12 km or Northeast Philadelphia is located 20 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.
Are there other means of transportation to go from Philadelphia to Lisbon?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Philadelphia and Lisbon?
In summer, the average temperature is 21°C in Lisbon and 24°C in Philadelphia. The average rainfall in summer is 6 mm in Lisbon and 129 mm in Philadelphia. In summer, it is warmer in Philadelphia and it rains less in Lisbon. In winter, it is colder in Lisbon and it rains more in Philadelphia.
